Sahih al-Bukhari 2135
صحيح البخاري#2135SahihNarrated Ibn `Abbas:The Prophet (ﷺ) forbade the selling of foodstuff before receiving it. I consider that all types of sellings should be done similarly
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 34:87